Manufacturing in the U.S.
From our rail infrastructure crossing manufacturer in rural Marion, Kentucky, to our rolling stock headquarters in metropolitan Sacramento, California, Siemens Mobility is committed to one goal: helping America's rail industry build with more connectivity and sustainability.
American Made
- Siemens Mobility has been manufacturing in the United States since 1984.
- We have more than 4,500 employees and 8 manufacturing locations across the country.
- With our 2000+ suppliers, we are dedicated to Buy America.
Manufacturing Locations
Our Sacramento, California plant serves as the North American Rail Manufacturing Hub and Headquarters for Rolling Stock. The rail plant boasts full manufacturing capabilities, including design, engineering, testing, carshell, bogies, subassembly, and final assembly. With all aspects of the manufacturing process taking place at one facility, Siemens Mobility offers customers unparalleled access and optimum project management and quality from start to finish.
Siemens Mobility has been manufacturing in Sacramento for more than 30 years and the rail plant is almost entirely solar powered. Currently, more than 2,500 people are employed at the 710,000-square-foot facility, on 64 acres of land in Sacramento.
With more than 3,500 vehicles ordered by 30 transit agencies in the U.S. and Canada., our Sacramento facility is manufacturing rail for use across North America.

Our Rail Automation facility in Louisville, Kentucky houses the global headquarters of the Siemens Freight and Products Business Unit, employing more than 300 people. The plant manufactures rail signaling and communications products, including grade crossing warning lights, bells, and gates for rail lines around the world.
The manufacturing facility assembles and wires the complex control equipment required for train control systems, wayside signal systems, and grade crossing warning systems. This facility houses engineering, manufacturing and assembly, sales, marketing, and program management personnel.

Rail Automation currently employs roughly 200 workers at our Marion, Kentucky plant. Since the facility opened in 2001, additional operations were added including opening box assembly and welding functions to support cross cantilevers.
From 2005 to 2008, wayside wiring and other initiatives added signal mast wiring and machine shop activities. In 2009, the facility underwent an upgrade and expanded once more.
From 2010 to 2013, manufacturing operations continued to grow, and additional product lines were added, driving another 26,000 square foot addition to the facility. In 2015, the Marion facility expanded again after moving the manufacturing portion of our traffic controller operation from Austin, Texas, to Marion.

Home to components business, our Georgia 400 (GA400) facility in Alpharetta, Georgia manufactures complete propulsion solutions for the North American rail market. Products are both innovative and well-proven – providing the highest degree of reliability with minimum maintenance costs. Our product portfolio includes Converters, Motors, Gearboxes and Auxiliary Power Supplies. Products are designed project-specific, ensuring proper adherence to customer requirements.
In operation since 1990, with a manufacturing space of 138,000 square feet, the GA400 facility can manufacture both standard and custom products. The factory is ISO certified and can manufacture to standards like UL, CUL, CSA, as well as manufacture Buy America-compliant products.

Our 60,000 square-foot plant in McClellan Park, California is dedicated to our growing rail service, maintenance, and repair operations and serves as the Siemens Mobility Rail Services U.S. headquarters and West Coast service hub. The new facility is providing work for more than 100 employees and plans to continue hiring to support its growing service business. Shortly after opening, McClellan Park took on the modernization of 32 SD160 light rail vehicles for Calgary Transit in Alberta, Canada. This modern rail service facility complements our existing rail manufacturing operations in nearby Sacramento.

Rail Automation manufactures and engineers Cab Signaling in Pittsburgh, Pennsylvania. In the fall of 2014, we relocated this manufacturing facility from East Pittsburgh to Munhall, PA. The modern waterfront development space now combines our engineering office with our manufacturing floor. The facility is 23,000 square feet,houses 240 employees, and features state-of-the-art equipment.
This facility is known for making all onboarding equipment for our vehicles, including Cab Signal systems, display units, controls, control boxes, pickup receiver bars and axel generators.

The Locomotive Service facility in New Castle, Delaware combines our global digital analytics know-how with our extensive industry knowledge to move rail further into the digital age. Using the latest in digital and predictive technology, the New Castle team trains service technicians and remotely maintains Siemens locomotives. The facility serves as the company’s digital service, supply chain distribution center, and technical field training hub in the region.
The New Castle team is already putting its data capabilities to use by working with Amtrak to monitor and analyze data from Siemens-built ACS-64 locomotives running along the Northeast Corridor.

Our Lexington facility, which will employee more than 500 employees by 2028, is dedicated exclusively to manufacturing state-of-the-art passenger coaches for transit operators across North America, meeting the surging demand for comfortable and modern rail transportation. By using technologies such as robotic welding, 3D printing, and advanced software tools, our plant aims to improve the precision, quality, and efficiency of coach production.
